DistroPropaganda/code/rails31/depot_q/app/controllers/line_items_controller.rb

#---
# Excerpted from "Agile Web Development with Rails",
# published by The Pragmatic Bookshelf.
# Copyrights apply to this code. It may not be used to create training material,
# courses, books, articles, and the like. Contact us if you are in doubt.
# We make no guarantees that this code is fit for any purpose.
# Visit http://www.pragmaticprogrammer.com/titles/rails4 for more book information.
#---
class LineItemsController < ApplicationController
  # GET /line_items
  # GET /line_items.json
  def index
    @line_items = LineItem.all

    respond_to do |format|
      format.html # index.html.erb
      format.json { render json: @line_items }
    end
  end

  # GET /line_items/1
  # GET /line_items/1.json
  def show
    @line_item = LineItem.find(params[:id])

    respond_to do |format|
      format.html # show.html.erb
      format.json { render json: @line_item }
    end
  end

  # GET /line_items/new
  # GET /line_items/new.json
  def new
    @line_item = LineItem.new

    respond_to do |format|
      format.html # new.html.erb
      format.json { render json: @line_item }
    end
  end

  # GET /line_items/1/edit
  def edit
    @line_item = LineItem.find(params[:id])
  end

  # POST /line_items
  # POST /line_items.json
  def create
    @cart = current_cart
    product = Product.find(params[:product_id])
    @line_item = @cart.add_product(product.id)
    respond_to do |format|
      if @line_item.save
        format.html { redirect_to store_url }
        format.js   { @current_item = @line_item }
        format.json { render json: @line_item,
          status: :created, location: @line_item }
      else
        format.html { render action: "new" }
        format.json { render json: @line_item.errors,
          status: :unprocessable_entity }
      end
    end
  end

  # PUT /line_items/1
  # PUT /line_items/1.json
  def update
    @line_item = LineItem.find(params[:id])

    respond_to do |format|
      if @line_item.update_attributes(params[:line_item])
        format.html { redirect_to @line_item, notice: 'Line item was successfully updated.' }
        format.json { head :ok }
      else
        format.html { render action: "edit" }
        format.json { render json: @line_item.errors, status: :unprocessable_entity }
      end
    end
  end

  # DELETE /line_items/1
  # DELETE /line_items/1.json
  def destroy
    @line_item = LineItem.find(params[:id])
    @line_item.destroy

    respond_to do |format|
      format.html { redirect_to line_items_url }
      format.json { head :ok }
    end
  end
end